Home / 9,479.64-14,220.11-2,910.41

Finding the Fourth Proportional to 9,479.64, 14,220.11 and 2,910.41

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Solution

The fourth proportional to 9,479.64, 14,220.11 and 2,910.41 is: 4,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.64 : 14,220.11 = 2,910.41 : x
  2. Step 2: Convert to fraction form
    9,479.64/14,220.11 = 2,910.41/x
  3. Step 3: Cross multiply
    9,479.64x = 14,220.11 × 2,910.41
  4. Step 4: Simplify right side
    9,479.64x = 41,386,350.35
  5. Step 5: Solve for x
    x = 41,386,350.35/9,479.64
  6. Step 6: Final answer
    x = 4,365.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.